Auxiliary Field Meson Model at Finite Temperature and Density

Details Auxiliary Field Meson Model at Finite Temperature and Density Auxiliary Field Meson Model at Finite Temperature and Density

2005-09-22

arxiv.org/abs/nucl-th/0509057v1

Soryushiron Kenkyu (Kyoto) 112 No.3 (2005), C67-C69

Physics

Nuclear Physics

Nuclear Theory

3 pages, 2 figures, to be published in the proceedings for the YITP workshop YITP-W-05-09 on "Thermal Quantum Field Theories a

Scientific paper

Starting from many quark interactions, we construct a nonlinear sigma-omega model at finite temperature and density. The mesons are introduced as auxiliary fields. Effective quark-meson couplings are strongly related to effective meson masses, since they are derived simultaneously from the original many quark interactions. In this model, even if the effective omega-meson mass decreases due to the partial chiral restoration, the equation of state (EOS) of nuclear matter can become soft.

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